Class Jobs
A/C - Tasnim
LCD - Andrea
Timer (breaks) - Sid
BBoard - Ishita, Adam, Salimata, Jeremiah
Computer Monitor - Milan
Recycler / Paper people- Emaad, Tasnim
Word Wall - Sakib, Tim
Supply Monitor - Mark, Riley
Note Taker - Jae Sung
Snack master ( Day 3) - Bryan
Photographer - Caroline, Sarina



Comparing and Scaling

Big Idea
Many important practical and mathematical applications involve comparing quantities of one kind or another; it is important to know which method to use and how we should use them.













Investigation 1 Essential Question -What methods are there for comparing quantities?1.1 Writing Ads - 1.2 Targeting an Audience -1.3 Getting the Message Across -Mathematical Reflections, p. 15 -

Investigation 2 Essential Question: How can we use percentages to compare different sets of data?
2.1 Comparing Leisure Activities -
2.2 Comparing Your Class to the Nation - Sid
Mathematical Reflections, p. 25 -




Investigation 3 Essential Question: How can I use a proportion to increase or decrease the size of an image or quantity?
3.1 Mixing Juice -
3.2 Helping the Cook - Milan
3.3 Sharing Pizza -
Mathematical Reflections, p. 36 -



Investigation 4 Essential Question:
How can I use a unit rate to make a prediction?
4.1 Comparing Fuel Economy -
4.2 Using Unit Rate - Bryon
4.3 Solving Problems with Rates -
4.4 Buying Beads - Kristian
Mathematical Reflections, p. 51 - Tim



Investigation 5 Essential Question:
How are rates, ratios and proportions related
and how are they different?

5.1 Estimating the Size of a Crowd - Caroline
5.2 Estimating a Deer Population - Mark
5.3 Finding Population Densities -Emaad
5.4 Comparing the Dakotas - Sarina

5.5 Predicting Traffic Jams - Riley
Mathematical Reflections, p. 64 - Sakib


Investigation 6 Essential Question:
Which comparing strategies work best in which situations?6.1 Scaling Up or Down - Tasnim
6.2 Using Rules of Thumb - Adam
6.3 Selecting Delegates - Jae Sung
Mathematical Reflections, p. 81 - Andrea


Comparing and Scaling Vocabulary

Population Density
Rate
Ratio
Scale, Scaling
Unit Rate
Decimal
Difference
Equation
Equivalent ratio
Fraction
Graph, Coordinate graph
Percent
Scale Factor
Proportion

Comparing Scaling Vocab definitions Teacher.pdf
Comparing Scaling Vocab definitions Student.pdf